Cirrus Logic CS42L73 - Manual (Page 104)

104 DS882F1
CS42L73
6.26 Line Output Analog Volume Control: Channel A (Address 20h) and B (Address 21h)
6.26.1 Line Output x Analog Mute
Configures an analog mute on the channel x Line Output (LO) amplifier.
6.26.2 Line Output x Analog Volume Control
Sets the volume of the signal out of the channel x Line Output (LO) amplifier.
Note: The step size may deviate slightly from 1.0 dB (-50 dB to +12 dB) or 2 dB (-76 dB to -50 dB). Refer
to Figures 64 through 67 on page 133 .
7 6 5 4 3 2 1 0
LOxAMUTE LOxAVOL6 LOxAVOL5 LOxAVOL4 LOxAVOL3 LOxAVOL2 LOxAVOL1 LOxAVOL0
LOxAMUTE Line Output Amp Mute
0 Not muted
1 Muted
LOxAVOL[6:0] Line Output Volume
0111111 +12 dB
... ...
0001100 +12 dB
... ...
0000001 +1.0 dB
0000000 0 dB
1111111 -1.0 dB
... ...
1001111 -49.0 dB
1001110 -50.0 dB
1001101 -52.0 dB
1001100 -54.0 dB
... ...
1000010 -74.0 dB
1000001 -76.0 dB
1000000 Reserved
Step Size: 1.0 dB (-50 dB to +12 dB) or 2 dB (-76 dB to -50 dB)